¢ A correlation
coefficient that indicates the degree of relationship between two sets of scores
intended to be measures of the same characteristic.
¢ (E.g., Correlation
between scores assigned by two different raters or scores obtained from
administration of two forms of a test.)
¢ Reliability
coefficients of .60 are appropriate for screening purposes.
¢ Tests are usually
considered highly reliable if they reach a coefficient of .90.
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